Full Name SCISAT-I/ACE Status Operational (nominal)
Mission Agencies CSA, ESA, NASA Launch Date 12 Aug 2003
Mission Links mission site | data access portal EOL Date Mar 2024
EO Portal Info NORAD Catalog # 27858 (TLE)
International Designator 2003-036A
Orbit Type Inclined, non-sun-synchronous Orbit Period 97.7 minutes
Orbit Sense N/A Orbit Inclination 74 deg
Orbit Altitude 650 km Orbit Longitude
Orbit LST Repeat Cycle 365 days
Objectives and Applications The SCISAT satellite has been in continuous spaceflight operation since 2003. It now measures over sixty (60) atmospheric species at still one of the world’s highest vertical resolutions possible, and includes ozone, ozone depleting substances, all major greenhouse gases, and HFCs. Many of these species are measured by no other instrument or satellite world-wide, making Canada the sole provider of these datasets globally. As of 2021, the objectives of the mission remain to broadly assist in monitoring the UN Montreal Protocol, the Kigali Amendment, the Paris Climate Agreement, and the Canadian Environmental Protection Act. Specific objectives include to assess the quality of model predictions for: EC’s UV forecasting system, atmospheric carbon transport, and climate-chemistry process studies.
Mission Measurements
AtmosphereAerosols ACE-FTS, MAESTRO
Atmospheric Humidity Fields MAESTRO
Atmospheric Winds ACE-FTS
Cloud particle properties and profile ACE-FTS, MAESTRO
Trace gases (excluding ozone) ACE-FTS, MAESTRO
Atmospheric Temperature Fields ACE-FTS
Mission Instruments
ACE-FTS - Atmospheric Chemistry Experiment (ACE) Fourier Transform Spectrometer
MAESTRO - Measurements of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by Occultation
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SciSat-1 is a CSA atmospheric science mission carrying the Atmospheric Chemistry Experiment-Fourier Transform Spectrometer (ACE-FTS) instrument, which measure the vertical distribution of trace gases, and the Measurement of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by Occultation (MAESTRO) instrument, a dual-channel optical spectrometer in the shortwave to thermal infrared range. Access is provided through the ESA TPM scheme. Read more

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